1020190344 has 64 divisors (see below), whose sum is σ = 2626377600. Its totient is φ = 329992704.

The previous prime is 1020190309. The next prime is 1020190387. The reversal of 1020190344 is 4430910201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388524 + ... + 391140.

It is an arithmetic number, because the mean of its divisors is an integer number (41037150).

Almost surely, 2^1020190344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020190344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313188800).

1020190344 is an abundant number, since it is smaller than the sum of its proper divisors (1606187256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020190344 is a wasteful number, since it uses less digits than its factorization.

1020190344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1020190344 is about 31940.4186572437. The cubic root of 1020190344 is about 1006.6853215456.

The spelling of 1020190344 in words is "one billion, twenty million, one hundred ninety thousand, three hundred forty-four".